Commentary A strange incident recently occurred in China. Three leopards in Hangzhou fled the zoo and wandered around the city for more than 20 days. One of them is still at large. On April 19, due to negligence in management at the Hangzhou Zoo, three young leopards escaped. The zoo failed to inform local authorities and residents that the three leopards were missing. But on May 7 and 8, Hangzhou residents reported that they had found a leopard in a nearby forest. Everyone now has a mobile phone, so upon finding leopards running amuck in the city, residents rushed to post videos online. Hangzhou is a first-tier city in China. It is unimaginable to find wild leopards in a large city with a population of several million. Can you imagine New York City residents discovering leopards in Manhattan? Therefore, everyone immediately suspected the local zoo. The zoo, Wildlife World, quickly …